@article{NAM_1917_4_17__449_0,
     author = {Michel, Ch.},
     title = {D\'eveloppantes et d\'evelopp\'ees ar\'eolaires},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {449--455},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 17},
     year = {1917},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1917_4_17__449_0/}
}